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Virtual Machine client-side performance impact when VAAI NFS plugin is not installed

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netapp-nfs-plug-in-for-vmware-vaai
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nas
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Applies to

  • VMWare
  • ESX
  • ONTAP 9.x

Issue

  • Windows VM see's disk queue length greater than 1 (as high as 20).
  • Applications are getting 'low' op counts (400 prior to NFS plugin installation, 40,000 after).
  • No resource bottlenecks are seen on storage.
  • Utilization and all metrics including latency values and network port statistics show no issues.

 

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